时间: 2025-04-24 08:09:21
美: ['pɪrɪəd]
英: ['pɪərɪəd]
n. 周期，期间；时期；月经；课时；（语法学）句点，句号
adj. 某一时代的
最后更新时间:2025-04-24 08:09:21
词源分析：Period 源自希腊语“periodos”，由“peri”（周围）和“hodos”（道路）组成，意为“围绕的道路”或“循环的过程”。
历史背景：Period 首次出现在英语中约在14世纪，通常用于描述时间的循环或阶段性。
课本：在**教材中，"period" 可能出现在初中和高中英语课本中，特别是在描述时间、历史或科学概念时。美国的教材中，尤其是中学的历史和科学课程中，也经常出现该词。
正式与非正式语境：
特殊场合：
The Renaissance was a remarkable period in European history.
There is a waiting period of 30 days before you can apply for a refund.
The menstrual period is a natural process that occurs in women.
During the Jurassic period, dinosaurs were the dominant species on Earth.
The teacher assigned a period of study for the upcoming exam.
同义词：
反义词：
音标记忆法：可以通过将音标 /ˈpɪəriəd/ 与“时间段”的概念联系起来，反复朗读练*，帮助记忆。
词根记忆法：理解“peri-”和“-od”两个词根的含义，可以帮助我们记住“环绕的过程”。
通过以上分析，可以更全面地理解“period”这个单词的含义及其用法。
[[usu with supp]] A period is a length of time. 一段时间
例：This crisis might last for a long period of time.此次危机可能会持续很长一段时间。
例：...a period of a few months.…几个月的时间。
[N-COUNT] A period in the life of a person, organization, or society is a length of time that is remembered for a particular situation or activity. (个人、组织或社会的) 时期
例：...a period of economic good health and expansion.…一段经济健康发展和扩张时期。
例：He went through a period of wanting to be accepted.他经历了一段渴望得到接受的时期。
[N-COUNT] A particular length of time in history is sometimes called a period. For example, you can talk about the Civil War period or the Prohibition period in the U.S. (历史) 时期
例：The novel is set in the Roman period.该小说的背景是罗马时期。
例：No reference to their existence appears in any literature of the period.该时期的任何文献中都没有提及他们的存在。
[[ADJ n]] Period costumes, furniture, and instruments were made at an earlier time in history, or look as if they were made then. 具特定历史时期特点的
例：The characters were dressed in full period costume.剧中人物全都身着具有时代特色的服装。
[N-COUNT] Exercise, training, or study periods are lengths of time that are set aside for exercise, training, or study. (练习、训练或学习的) 时段
例：They accompanied him during his exercise periods.在他的练习时段，他们都陪着他。
[N-COUNT] When a woman has a period, she bleeds from her uterus. This usually happens once a month, unless she is pregnant. 经期
例：Can you get pregnant if you have sex during your period?经期性交会怀孕吗？